BANJA LUKA (Bosnia and Herzegovina), March 7 (SeeNews) – Bosnian oil refinery Rafinerija Nafte [BANJ:RNAF-R-A] said on Monday it turned to a net profit of 5.8 million marka ($3.2 million/3 million euro) in 2015 from a net loss of 25.3 million marka a year ago.